Pioneer PRO-720HD Service Manual page 34

PRO-720HD, PRO-620HD, PRO-520HD
7.2 IC
• The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams.
•
List of IC
CXD2303AQ, SDA9280, CXA3106Q, PE5066A, PE5067A, MS82V16520-8GA, HD64F3067RF20, 24LC128(I)P, 24LC08B(I)P,
CM0006C1F, 24LC32A(I)P, CXA2094Q, CM0010AF, TK15420M, MC33167TV
CXD2303AQ (SUB VIDEO SERVICE ASSY : IC3203)
• Video A/D Converter
•
Block Diagram
216
30 35 41 42 62 68
ARTS 32
A-ch
ART
31
8-bit
AIN
28 ADC
ARB 26
ARBS 25
9
9-bit
AIO
29
ADC
33
BRTS
B-ch
34
BRT
8-bit
BIN 37 ADC
BRB
39
BRBS 40
9
9-bit
BIO
36
ADC
CRTS 70
C-ch
CRT 69
8-bit
CIN 66
ADC
CRB 64
CRBS 63
9
9-bit
CIO 67
ADC
AVSS
24
AVSS 27
Clamp Control
AVSS 38
60 61 65 52 58 53
22 23 1 2 11 12 71
8
Digital
Clamp
Circuit
Data
Selector
8
+
Latch
Digital
Clamp
Circuit
8
Digital
Clamp
Circuit
Decoder
51 54 57 59 43
DVSS
72
13 A0(LSB)
20 A7(MSB)
44 XAOE
3
B0(LSB)
10 B7(MSB)
45 XBOE
73 C0(LSB)
80 C7(MSB)
46 XCOE
21
TGR
47
CTL0
49
CTL2
50
SY